Boar’s Head Caramelized Onion Jack Cheese is made with Monterey Jack Cheese that has been slightly aged for a creamy texture. Caramelized onions are mixed in early in the process for rich toasty notes and subtle sweetness in every bite. Onion Jack Cheese is expertly crafted in the USA and is certified by Real Seal and Dairy Farmers of Wisconsin. Enjoy the perfectly sweet and savory balanced flavor of caramelized onion without spending valuable time chopping, stirring and scraping.